Bacteria experiment
a scientist grew bacteria on gel in her lab. she wanted to find out if the bacteria would
grow faster on gel a or gel b. she placed a few bacteria on gel a and a few on gel b. after
24 hours, she observed how many bacteria were present on each type of gel.
identify the independent and dependent variables

she wanted to find out what bacteria would grow faster I think the answer is A..

Explanation:

the scientist add more bacteria to gel A.

the way that the mass of carbon can be conserved through cellular respiration is through a process/law called the law of conservation of mass which even tho it undergoes a process, mass is not be destroyed or changed